Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hrblock.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:38:18 UTC · ↺ Refresh
MX Hostnames
- hrblock-com.mail.protection.outlook.com
MX Priorities
- hrblock-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.98.176.55 (no PTR)
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com dnssupport.hrblock.com 986837691 3600 600 604800 3600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
dnssupport@hrblock.com
Serial
986837691
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:20.84.177.68 ip4:20.84.177.70 ip4:35.80.141.6 ip4:44.229.121.55 ip4:168.137.102.64/28 ip4:168.137.32.20 ip4:168.137.72.32/28 ip4:68.232.145.0/28 ip4:66.231.92.253 ip4:13.110.14.208/28 ip4:208.185.229.0/24 ip4:23.21.109.197 ip4:147.160.167.0/26 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:148.59.100.16/28 ip4:168.137.64.0/27 ip4:168.137.64.32/28 include:spf.protection.outlook.com include:spfhost.messageprovider.com include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- liveramp-site-verification=M4RoHs9ffjJYuCa6wrv3DKOOegDNUDtOIf46fQZ2acU
- apple-domain-verification=uWKqUpnzUVGDneYh
- docker-verification=da2ce9ec-9c35-47d9-bf2f-7fbea0db01cf
- hubspot-domain-verification=ZjczMzg1MjUtMzI3OS00NzgyLWJjNTMtMjIyYTc4MTAyYjhi
- google-site-verification=G1Ga4hwgwABo0Ig2kVZTkdZN8K1DQeR5FX8plgxu7DM
- klaviyo-site-verification=VYaDL5
- yahoo-verification-key=fC7lO0bTzZID8iy34MAK3/mrxIbcIvyog+01YINyJjM=
- Dynatrace-site-verification=d5f1cd2a-4fd5-4e7a-84e1-f3dc9cd8f0e5__1udgokcegsbkhv8pk4trf7k2uk
- SPFv=spf1 a mx ip4:20.84.177.68 ip4:20.84.177.70 ip4:35.80.141.6 ip4:44.229.121.55 ip4:168.137.102.64/28 ip4:168.137.32.20 ip4:168.137.72.32/28 ip4:68.232.145.0/28 ip4:66.231.92.253 ip4:13.110.14.208/28 ip4:208.185.229.0/24 ip4:23.21.109.197 ip4:147.160.167.0/26 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:148.59.100.16/28 ip4:168.137.64.0/27 ip4:168.137.64.32/28 include:spf.protection.outlook.com include:spfhost.messageprovider.com include:_spf.salesforce.com -all
- _sdoqggyavs2bcm251m1vbuonh0ypewh
- google-site-verification=aeZI60hcL3X1AlwL3mhGGDdHWtSlvTbpXqU4RLDUJz8
- apple-domain-verification=bUjK4j4pDkWAr_von1QII0mxfWaL8570jfLYUgiYppU
- 7874fbf4-2603-43f6-b2a8-10e07a862f44
- openai-domain-verification=dv-kqjVYmE7RV0Pgmrn98yZpTId
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